Grindmaster 3511 manual Problem, Probable Cause, Remedy, Page, Model

GENERAL TROUBLESHOOTING

Freezer problems originate from three sources - improper operation, mix problems or mechanical malfunction. Always check for improper operation and mix problems first, as they are the most common cause of most equipment problems.

!CAUTION: Always disconnect power before attempting any maintenance procedures.

Only a qualified service technician should perform electrical and mechanical adjustments or repairs.

PROBLEM	PROBABLE CAUSE	REMEDY
Machine will not run or freeze down	• Machine not plugged in	• Plug machine in
	• Circuit breaker tripped or fuse blown	• Reset breaker or replace fuse
	• Machine in CLEAN or OFF position	• Switch to ON position
	• Obstructed condenser air flow	• Clean condenser. Allow 6” (15 cm)
	(Air-cooled units)	on both sides
	• Compressor not operating	• Check for cause and correct
	• Dasher not installed	• Install dasher (auger)
	• Low refrigerant charge	• Check for leaks, repair and recharge
Product too soft	• Consistency setting too loose	• Readjust consistency control
	• Consistency setting at maximum	• Change to yellow consistency spring
	(red spring)
	• Product BRIX level too high	• Lower liquid product BRIX level
	• Too much alcohol in mix	• Lower alcohol content
Product too stiff	• Consistency adjuster set too firm	• Readjust consistency setting or change
		to red spring
	• Product BRIX level too low	• Increase product BRIX level
Product will not dispense	• Power switch OFF	• Turn power switch ON
	• Inadequate mix in hopper. Red MIX	• Refill hopper
	LOW light on
	• Consistency adjuster set too firm	• Readjust consistency setting
	• Carburetor inlet hole clogged	• Unclog carburetor inlet hole
	• Drive belt broken or off pulley	• Repair or replace
	• Drive shaft worn	• Inspect square drive shaft pocket for
		excessive wear, replace
	• Drive motor failure	• Replace motor
Leakage from drain tube, front of freezer	• Worn or defective shaft seal	• Replace seal and then lubricate at
above drip tray		each cleaning
	• Seal installed incorrectly	• Remove and install seal
Excessive Dispensing Valve Leaks	• Worn or defective o-ring(s)	• Replace and lubricate
Clicking sound from inside machine	• Low voltage	• Use dedicated circuit with proper
		rating
	• Extension cord is used	• Connect directly to power source or
		use power cord of proper size
Thumping sound from inside machine	• Worn belt	• Replace belt
Scraping sound during freeze down	• Frozen product scraping off of	• Sound should go away when product
	cylinder walls	is frozen to proper consistency
	• No product in machine	• Fill with product
Premature seal wear	• Incorrect installation of dasher	• Advise careful installation
	• Improper drive shaft clearance	• Adjust to proper
	• Incorrect shaft alignment	• Align shaft
Merchandiser light flickers when freezer	• Low voltage	• Connect freezer to dedicated circuit
cycles		with proper rating

If you still need help, call our Service Department at (800) 695-4500 (Monday through Friday 8am - 6pm EST) or an authorized service center in your area. Please have the model and serial number ready so that accurate information may be given. Prior authorization must be obtained from Grindmaster’s Technical Services Department for all warranty claims.

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